CATHydraulic Parts

219-2031 Gear Pump — Cat 303 Excavator

This gear pump is a vital component of the hydraulic system, responsible for generating the flow of hydraulic fluid necessary to power actuators and other functions. It is built to precise tolerances and durable materials, offering reliable performance compared to a worn pump that may exhibit reduced flow or internal leakage. Operators may observe sluggish hydraulic functions, a whining noise from the pump, or a noticeable drop in system pressure when this part begins to fail.

Gear Pump – Part No 219-2031 – CAT Spare Part
Part Specifications
BrandCAT
CategoryHydraulic Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeGear Pump
MaterialHardened Steel and Cast Iron
ApplicationHydraulic System
Service LifeReplace every 3,000-5,000 hours or as performance degrades
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing gear pump often first presents as a whining or groaning noise originating from the hydraulic pump area. This is typically followed by a gradual decrease in the speed and power of hydraulic functions. If left unaddressed, the pump can overheat, leading to internal damage and a complete loss of hydraulic power.

Installation Tip

Ensure the hydraulic system is completely free of contaminants before installation, as even small particles can quickly damage new pump gears. Always prime the pump before initial startup to prevent dry running.

Service Note

When replacing the gear pump, it is essential to inspect and clean the hydraulic fluid reservoir and filter, and consider replacing the hydraulic fluid.